Overview
- From Sunday into early Monday, parts of Rio Grande do Sul face a red warning for rainfall over 100 mm in 24 hours, wind gusts above 100 km/h and hail risk.
- INMET says 15 states, including Rio Grande do Sul, Santa Catarina, Paraná and Mato Grosso do Sul, are in the path on Sunday, with threats reaching parts of the Southeast and Center-West through Monday.
- Forecasters track a frontal system linked to the probable formation of an extratropical cyclone near the Río de la Plata, with potential for downbursts and isolated tornadoes in the most exposed areas.
- The National Center for Disaster Risk Management convened state and municipal defenses, and the Defesa Civil Alerta cell broadcast will issue urgent warnings to residents.
- Regional notices include an orange alert for intense rain in 14 municipalities of Roraima, moderate hydrological risk in the Vale do Paraíba, and a Santa Catarina advisory for storms from Sunday to Monday.